remote sensing
acquisition of information about an object or phenomenon without making physical contact with the object, especially the Earth
en-US/ɹɪˈmoʊt ˈsɛnsɪŋ/
en-GB/ɹɪˈməʊt ˈsɛnsɪŋ/
acquisition of information about an object or phenomenon without making physical contact with the object, especially the Earth